flash: make flash initialization as commom code

Merge flash initialization procedures in a single
function so that it can be used across different socs.

Signed-off-by: Sylvio Alves <[email protected]>

Author: sylvioalves

zephyr/common/flash_init.c

@@ -8,13 +8,19 @@
 
 #include <stdbool.h>
 #include <bootloader_flash_priv.h>
+#include <esp_flash_internal.h>
+#include <esp_private/mspi_timing_tuning.h>
+#include <esp_private/esp_mmu_map_private.h>
 #include <hal/efuse_ll.h>
 #include <hal/efuse_hal.h>
 #include "esp_private/spi_flash_os.h"
+#include "esp_log.h"
 #if CONFIG_SOC_SERIES_ESP32S3
 #include <esp32s3/opi_flash_private.h>
 #endif
 
+static const char *TAG = "flash_init";
+
 bool flash_is_octal_mode_enabled(void)
 {
 #if SOC_SPI_MEM_SUPPORT_OPI_MODE
@@ -38,3 +44,26 @@ int spi_flash_init_chip_state(void)
 	return 0;
 #endif /* CONFIG_SOC_SERIES_ESP32S3 */
 }
+
+void esp_flash_config(void)
+{
+	esp_err_t ret;
+
+	spi_flash_init_chip_state();
+
+	esp_flash_app_init();
+
+	ret = esp_flash_init_default_chip();
+	if (ret != ESP_OK) {
+		ESP_EARLY_LOGE(TAG, "Failed to init flash chip: %d ", ret);
+		abort();
+	}
+
+	esp_mspi_pin_init();
+
+#if SOC_MEMSPI_SRC_FREQ_120M
+	mspi_timing_flash_tuning();
+#endif
+
+	esp_mmu_map_init();
+}

zephyr/common/include/flash_init.h

@@ -11,3 +11,8 @@
 int spi_flash_init_chip_state(void);
 
 bool flash_is_octal_mode_enabled(void);
+
+/**
+ * @brief Common flash initialization code
+ */
+void esp_flash_config(void);